| Doses/Periods | 
6 months | 
12 months | 
18 months | 
  
  
| 0 mg/Kgbw | 
-Normalstructure of seminiferous tubules which surrounded by vascularized densefibrous connective tissue, Tunica albuginea. Each seminiferous tubuleappeared normal with orderly arrangement of germ cells at different stages ofspermatogenesis
    | 
  
  
| 100mg/Kg bw | 
-Normal structure with
  regularspermatogenesis
    | 
-Fewalteration of seminiferous tubules  | 
-Somedamaged seminiferous tubules 
  -Presenceof necrosis zones | 
  
  
| 200 mg/Kgbw | 
-Perturbationof
  spermatogenesis 
  -Fewzones of
  degenerations 
    | 
-Intenseperturbation of
  spermatogenesis 
  -IntenseNecrosis 
  -Absenceof spz 
  -Degenerationof Epithelium
  seminal  | 
-Intensearea of necrosis 
  -Perturbationof spermatogenesis 
  -Disorganizedspz with flagella on whirlpool form | 
  
  
| 400 mg/Kgbw | 
-Severalperturbation of spermatogenesis (only
  presence of spz) 
  -IntenseNecrosis 
  -Alterationof  adhesive junctions   | 
-Importantdegeneration of 
  seminiferoustubules
  -SeveralNecrosis 
  -Degradationof epithelium
  seminal (presence of few
  spermatogonies) 
  - Intacts somaticcells  | 
-Morearea of necrosis zone 
  -Abnormaldisposition of  spz flagella 
  -Presenceof abnormal cells  |